South East Asia Indonesia
N from Wonosari, Gunung Kidul
Geological Time: Neogene Miocene
Tf
the raw material is provided by
View of a specimen of Amphistegina lessonii (d'Orbigny, 1843)
The identification is based upon:
Jones, Robert Wynn, 1994: The Challenger Foraminifera Oxford Univ Press 416 pp. Plate 111, Fig. 5